"How reliable is the 1991 Mitsubishi Montero?"

"Based on 22 NHTSA complaints, the 1991 Mitsubishi Montero has a median complaint mileage of 0 miles. The most common issue is ENGINE AND ENGINE COOLING:ENGINE."

"What are common problems with the 1991 Mitsubishi Montero?"

"The most frequently reported component in NHTSA complaints for the 1991 Mitsubishi Montero is ENGINE AND ENGINE COOLING:ENGINE, accounting for a significant portion of the 22 total complaints filed."

1991 Mitsubishi Montero: Reliability Data

Source: NHTSA — 22 complaints

Total Complaints

ENGINE AND ENGINE COOLING:ENGINE

Top Issue

Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING:ENGINE

TIRES

VEHICLE SPEED CONTROL

STEERING:HYDRAULIC POWER ASSIST SYSTEM

STEERING: STEERING WHEEL/HANDLE BAR

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR

POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH

TIRES:TREAD/BELT

ELECTRICAL SYSTEM

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"FRONT BRAKE ROTORS HAVE BEEN REPLACED 5 TIMES WITHIN 4 YEARS; WEAR THIN; METAL TO METAL GRINDING SOUND; EXCESSIVE STOPPING EFFECT. TT"

"DURING VEHICLE OPERATION WHEN THE VEHICLE COMES TO A STOP, IT PERIODICALLY TENDS TO ACCELERATE AND SURGE FORWARD. *AK"

"TRANSMISSION GEAR SHIFTER WILL NOT LOCK WHEN KEY IS REMOVED FROM IGNITION SWITCH, ALLOWING VEHICLE TO ROLL BACKWARDS."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

CA: 4 TX: 3 UT: 2 ID: 2 SC: 2 NC: 2 AR: 1 FL: 1 MN: 1 GA: 1

Who Files Complaints?

4.5%

Original Owners

95.5%

Second+ Owners

Mitsubishi Montero — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1990	25	-	SEAT BELTS:FRONT:BUCKLE ASSEMBLY	2
1994	35	185,000	ENGINE AND ENGINE COOLING:ENGINE	3
1995	106	143,000	ENGINE AND ENGINE COOLING:ENGINE	8
1996	40	-	UNKNOWN OR OTHER	0
1997	85	110,500	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	7
1998	91	89,500	SUSPENSION:FRONT	13
1999	47	84,000	POWER TRAIN:AUTOMATIC TRANSMISSION	4
2000	68	109,000	SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP	8
2001	213	103,530	SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM	16
2002	132	84,000	SERVICE BRAKES	11
2003	53	67,000	SERVICE BRAKES, HYDRAULIC	6

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28